在柱塞缸中安装防尘圈(刮尘圈),对防止设备周围环境中的灰尘侵入液压系统,保持液压系统油液的清洁,确保系统工作正常,延长柱塞或活塞杆的使用寿命,具有重要的作用。目前使用的防尘圈非标准的较多,结构尺寸不一致。防尘圈(如某皮件厂生产的JBY899)在唇口部位存在的问题是:摩擦阻力大、唇边容易发热老化、刮尘效果差。为此,对结构尺寸进行分析,并提出改进方法。 In the plunger cylinder installed dust ring (dust ring) to prevent dust in the environment around the equipment invade the hydraulic system to maintain hydraulic system oil clean to ensure that the system is working properly to extend the plunger or piston rod life, Has an important role. Currently used more non-standard dust ring, the structural size is inconsistent. Dust ring (such as a leather factory production JBY899) in the lip part of the existing problems are: frictional resistance, easy to heat aging lips, poor dust scraping effect. To this end, the size of the structure analysis, and propose ways to improve.